We live in a time that will be marked in history. Until a few months ago, hardly anyone had heard about the novel-coronavirus, and today its impacts plunged the world into an unprecedented global and social crisis.As there is no concrete cure so far, the best way to deal with it is through knowledge, research and the dissemination of proven techniques to control and prevent it.In this framework, Dr. Mario Vega Carbó presents a new book in which he fully explores the world of viral diseases.In this book, he analyzes the history and characteristics of the new coronavirus, the way it is transmitted, its most common symptoms and the complications it generates in the human body.It also delves into the groups at highest risk, the preventive and protective measures that should be taken, and the types of treatments available.Due to the times, it is an essential reading manual for everyone.